16605575008 has 192 divisors, whose sum is σ = 38799129600. Its totient is φ = 6915317760.

The previous prime is 16605574981. The next prime is 16605575011. The reversal of 16605575008 is 80057550661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28002360 + ... + 28002952.

It is an arithmetic number, because the mean of its divisors is an integer number (202078800).

Almost surely, 2^16605575008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16605575008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19399564800).

16605575008 is an abundant number, since it is smaller than the sum of its proper divisors (22193554592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16605575008 is a wasteful number, since it uses less digits than its factorization.

16605575008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 16605575008 in words is "sixteen billion, six hundred five million, five hundred seventy-five thousand, eight".